Boiler



April 19 1927.

M. MORLEY BOILER indl Filed June 9 1925 Patented Apr. 19, 1927.

UNITED STATES MICHAEL MORLEY, OF BROOKLYN, NEW YORK.

BOILER.

Application filed June 29, 1925, Serial No. 40,346. Renewed March 1, 1927.

This invention relates to boilers and more particularly to a heat retaining means therefor.

Briefly stated, an important object of this invention is to provide a boiler having a heat retainer positioned between the door and the fines and consisting ot'spaced parallel plates by means of which the heat is effectively retained within the boiler and is prevented from overheating the door of the boiler.

A further aim is to provide a heat retainer which may be installed in a. boiler either during the course of manufacture of the same or at any time thereafter'without elaborately changing the design of the boiler and without the exercise of unusual skill.

Other objects and advantages will be apparent during the course of the following description.

In the accompanying drawing forming a part of this application and in which like numerals are employed to designate like parts throughout the same,

Figure 1 is a detail horizontal sectional view through the boiler;

Fig. 2 is a vertical sectional view taken on line 22 of Fig. 1;

Fig. 3 is a detail sectional view taken on line 53-43 of Fig. 2.

In the drawing, wherein for the purpose of illustration is shown a. preferred embodiment of the invention, the numeral 5 designates a boiler of cylindrical or other formation having a plurality of fines 6 arranged more or less in spaced parallel relation and having connection with a flue sheet 7, all of which is illustrated in Fig. 1.

In carrying out the invention, I provide a heat retainer or battle consisting principally of spaced parallel plates 9, each one of which consists of a pair of semi-circular sections.

Fig. 2 illustrates that the semi-circular sections of the outer plate 9 are provided with hinge straps 10 which are mounted on a substantially vertical shaft 13 which extends through the inner and outer walls of the boiler 5. It is thus seen that one of the plates 9 is hingedly connected to the vertical shaft 13 and shoulders or collars 16 are mounted on the shaft 13 at opposite sides of the hinge strap 10 to hold the plates 9 in place. That is to say the collars 16 hold the plates 9 against vertical sliding or slipping movement.

Fig. 2 illustrate that the sections of the inner and outer plates 9 are connected by bolts 12 upon which sleeves 11 are mounted to properly space the sections. Nuts let are threaded on the bolts 12 and hold the same firmly in place.

Attention is directed to the fact that only the front or forward plate of the pair of. plates 9 is hingedly attached to the shaft 13 and that the inner plate is securely attached to the outer plate whereby the two plates are moved together.

It might be stated that ;the frictional contact between the hinge straps 10 and the shaft 13 is sufficient to hold the plates 9 in an adjustive position.

It will be seen that the plates 9 act as an efiicient baffle means so that the heat is prevented from freely escaping through the door 18 of the boiler. lVhen it is desired to clean the fines 6 it is merely necessary to swing the semi-circular sections of the plate 9 outwardly whereby the tlues are exposed. This arrangement permits the plate to be swung to and out of the way position for the quick cleaning of the fines.

Having thus described the invention what is claimed is:

In a boiler, the combination of a body having a plurality of fines, a shaft connected to the body, a plate consisting of a pair of semi-circular sections hingedly connected to said shaft, and a second plate consisting of semi-circular sections rigidly connected with said first named sections, said sections of the second named plate being in spaced parallel relation to the sect-ions of the first named plate.

In testimony whereof I aflix my signature.

MICHAEL MORLEY. 

